Update TFRT dependency to use revision
http://github.com/tensorflow/runtime/commit/52c001be97e4fe1898eb0bedcb8fa617c436ac05.

PiperOrigin-RevId: 464608869
diff --git a/third_party/tf_runtime/workspace.bzl b/third_party/tf_runtime/workspace.bzl
index b1c0c1d..a31b7d4 100644
--- a/third_party/tf_runtime/workspace.bzl
+++ b/third_party/tf_runtime/workspace.bzl
@@ -6,8 +6,8 @@
     """Imports TFRT."""
 
     # Attention: tools parse and update these lines.
-    TFRT_COMMIT = "4d7f892a59158f88bed72d1ac5dcddb990c3d237"
-    TFRT_SHA256 = "e756e0eb03df1b5f8c68df25938b1fed1f2ec4a47d94cd505be7432832ef6d3e"
+    TFRT_COMMIT = "52c001be97e4fe1898eb0bedcb8fa617c436ac05"
+    TFRT_SHA256 = "8e43c39fdb4ac977b4f610f4f0dc0c2b27e45ca2a0ec213d9157392a601ddd55"
 
     tf_http_archive(
         name = "tf_runtime",